Behaviour changes on flag day

[tomjaguarpaw]

I have a new article, Behaviour changes on flag day which is a follow up to my earlier article “Upgrading from GHC 8.10 to GHC 9.6 – an experience report”. It explains a risk related to upgrading many dependencies at once.

Upgrading from GHC 8.10 to GHC 9.6: an experience report

At work (Groq) we recently upgraded the version of GHC that we use from 8.10 to 9.6, along with many of the Haskell packages we depend on. I’ve written an article with details of the the breaking changes we had to deal with during that process. Upgrading from GHC 8.10 to GHC 9.6: an experience report